API Reference > imodeljs-common > Serialization > EGFBAccessors > EGFBAccessors.ArcPrimitive > vector0 vector0 Method vector0(obj?: EGFBAccessors.DVec3d): | EGFBAccessors.DVec3d Parameter Type Description obj EGFBAccessors.DVec3d Returns - | EGFBAccessors.DVec3d DVec3d|null Defined in core/common/src/geometry/ElementGeometryFB.ts Line 1012 Last Updated: 11 June, 2024